app icon: regal engraved dragon (owner's ArtCraft drawing), Dock/taskbar/launcher wiring, palette docs

Co-Authored-By: Claude Opus 5.5 <[email protected]>

packaging/icons.sh

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+#!/usr/bin/env bash
+# Regenerate every app icon from assets/app-icon/vectorcraft.svg (the canonical artwork).
+#
+# Needs: resvg (brew install resvg / cargo install resvg). On macOS, iconutil also writes the
+# .icns. The outputs are committed, so building and packaging never need these tools.
+#
+#   packaging/icons.sh
+set -euo pipefail
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+DIR="$ROOT/assets/app-icon"
+SVG="$DIR/vectorcraft.svg"
+ID="ai.storyteller.vectorcraft"
+TMP="$(mktemp -d)"
+trap 'rm -rf "$TMP"' EXIT
+
+command -v resvg >/dev/null || { echo "error: resvg not found (brew install resvg)" >&2; exit 1; }
+
+# The SVG is a full-bleed 512 tile, used as-is on Windows and Linux. macOS icons follow Apple's grid:
+# the tile is 824/1024 of the canvas with a transparent margin, so widen the viewBox around it.
+MAC="$TMP/mac.svg"
+sed 's/viewBox="0 0 512 512"/viewBox="-62.136 -62.136 636.272 636.272"/' "$SVG" >"$MAC"
+grep -q 'viewBox="-62.136' "$MAC" || { echo "error: $SVG has no 512 viewBox" >&2; exit 1; }
+
+render() { resvg -w "$2" -h "$2" "$1" "$3" </dev/null; }
+
+render "$SVG" 1024 "$DIR/vectorcraft-1024.png"
+# Runtime window/Dock icon on macOS (embedded by apps/vectorcraft/src/main.rs).
+render "$MAC" 512 "$DIR/vectorcraft-macos-512.png"
+
+# Linux hicolor theme (the 256 one is also the runtime icon on Windows and Linux).
+for s in 16 24 32 48 64 128 256 512; do
+  mkdir -p "$DIR/hicolor/${s}x${s}/apps"
+  render "$SVG" "$s" "$DIR/hicolor/${s}x${s}/apps/$ID.png"
+done
+mkdir -p "$DIR/hicolor/scalable/apps"
+cp "$DIR/vectorcraft-small.svg" "$DIR/hicolor/scalable/apps/$ID.svg"
+
+# Windows .ico.
+ICO_PNGS=()
+for s in 16 20 24 32 40 48 64 128 256; do
+  render "$SVG" "$s" "$TMP/ico-$s.png"
+  ICO_PNGS+=("$TMP/ico-$s.png")
+done
+(cd "$ROOT" && cargo run -q -p xtask -- ico "$DIR/vectorcraft.ico" "${ICO_PNGS[@]}")
+
+# macOS .icns.
+if command -v iconutil >/dev/null; then
+  SET="$TMP/vectorcraft.iconset"
+  mkdir -p "$SET"
+  for s in 16 32 128 256 512; do
+    render "$MAC" "$s" "$SET/icon_${s}x${s}.png"
+    render "$MAC" $((s * 2)) "$SET/icon_${s}x${s}@2x.png"
+  done
+  iconutil -c icns -o "$DIR/vectorcraft.icns" "$SET"
+else
+  echo "warning: iconutil not found (macOS only); vectorcraft.icns not regenerated" >&2
+fi
+echo "icons written to $DIR"

packaging/linux/ai.storyteller.vectorcraft.desktop

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+[Desktop Entry]
+Type=Application
+Name=VectorCraft
+GenericName=Vector Graphics Editor
+Comment=Draw and edit vector illustrations, SVG and PDF
+Exec=vectorcraft %F
+TryExec=vectorcraft
+Icon=ai.storyteller.vectorcraft
+Terminal=false
+StartupNotify=true
+StartupWMClass=ai.storyteller.vectorcraft
+Categories=Graphics;2DGraphics;VectorGraphics;
+Keywords=vector;illustration;svg;pdf;drawing;bezier;illustrator;
+MimeType=image/svg+xml;application/pdf;